Advanced Dental Admission Test (ADAT)

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Prepare for the Advanced Dental Admission Test. Study with flashcards and multiple choice questions, with hints and explanations provided for each question. Strengthen your readiness for success!

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What is a common cause of pharyngitis?

Streptococcus pyogenes
Streptococcus pneumoniae
Staphylococcus aureus
Escherichia coli

The correct answer is: Streptococcus pyogenes

Streptococcus pyogenes is a well-known cause of pharyngitis, commonly referred to as strep throat. This bacterium is a type of Group A streptococcus and is notorious for causing infections in the throat and tonsils, leading to inflammation and a sore throat. The symptoms associated with strep throat often include sudden onset sore throat, pain while swallowing, fever, and swollen lymph nodes. While other microorganisms listed can cause infections in different contexts, they are less associated with pharyngitis. For instance, Streptococcus pneumoniae is primarily linked to pneumonia and sinusitis. Staphylococcus aureus can lead to various infections, including skin infections and foodborne illnesses, but it is not a common cause of pharyngitis. Escherichia coli is typically associated with gastrointestinal infections rather than throat infections.